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Daniel Defense

Daniel Defense 08013011 DDMK18 .223/5.56 NATO 10.3" Chrome Moly Steel Cold Hammer Forged Barrel Finish

Daniel Defense 08013011 DDMK18 .223/5.56 NATO 10.3" Chrome Moly Steel Cold Hammer Forged Barrel Finish - Barrel for AR-15 - view 1
Daniel Defense 08013011 DDMK18 .223/5.56 NATO 10.3" Chrome Moly Steel Cold Hammer Forged Barrel Finish - Barrel for AR-15 - view 2
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Daniel Defense

Overview

The Daniel Defense DDMK18 barrel features a compact 10.3-inch length, making it an excellent choice for builds that prioritize maneuverability without sacrificing performance. Chambered in .223 Wylde, this barrel allows for versatility in ammunition selection, accommodating both .223 Remington and 5.56 NATO rounds. Its chrome finish not only enhances durability but also aids in corrosion resistance, making it suitable for a range of shooting conditions. This barrel is commonly found in short-barreled rifle builds and PDWs where compactness and reliability are paramount.

Specifications

MPN8013011
Caliber.223 Wylde
Barrel Length10.3
FinishBlack

Available Merchants(1)

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$1,541
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Build history on GunPartPicker

Builders on GunPartPicker first added the Daniel Defense 08013011 DDMK18 .223/5.56 NATO 10.3" Chrome Moly Steel Cold Hammer Forged Barrel Finish to a build in March 2026.

It was hard to find in August 2026, in stock on only 3 of the 7 days we checked, and today the one retailer we track is out of stock. Prices barely moved in August 2026, holding around $1,540.96, so there haven't been real sales lately. Listed prices start at $1,540.96 at Classic Firearms for when it comes back.

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